how to get access to GPIO in user space from c coding

[sachindhoundiya]

hello all,

I have get the access of GPIO from terminal and check the value in CRO

example :

echo 19 >/sys/class/gpio/export
echo out >/sys/class/gpio/gpio19/direction
echo 1 >/sys/class/gpio/gpio19/value
echo 0 >/sys/class/gpio/gpio19/value
echo 19 >/sys/class/gpio/unexport

but can any suggest me how to write c code and compile it on imx6ulevk board from user space.

what is to done i want to make a recipes or it will be done by simple make-file. 

[Yuri · Accepted solution]

Hello,

  You may look at the following:

Introduction to accessing the Raspberry Pi's GPIO in C++ (sysfs) · Hertaville.com 

Have a great day,
Yuri

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